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 Go to latest Published: Oct 11, 2022 License: MIT, MIT Imports: 3 Imported by: 0

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Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type AssignExpression 

type AssignExpression struct {
	Token token.Token // the identifier
	Left  Expression
	Value Expression
}

expression node for `<identifier> = <expression>`

func (*AssignExpression) String 

func (ae *AssignExpression) String() string

func (*AssignExpression) TokenLiteral 

func (ae *AssignExpression) TokenLiteral() string

type BlockStatement 

type BlockStatement struct {
	Token      token.Token // the { token
	Statements []Statement
}

func (*BlockStatement) String 

func (bs *BlockStatement) String() string

func (*BlockStatement) TokenLiteral 

func (bs *BlockStatement) TokenLiteral() string

type Boolean 

type Boolean struct {
	Token token.Token
	Value bool
}

func (*Boolean) String 

func (b *Boolean) String() string

func (*Boolean) TokenLiteral 

func (b *Boolean) TokenLiteral() string

type CallExpression 

type CallExpression struct {
	Token     token.Token // The '(' token
	Function  Expression  // Function literal or identifier
	Arguments []Expression
}

func (*CallExpression) String 

func (ce *CallExpression) String() string

func (*CallExpression) TokenLiteral 

func (ce *CallExpression) TokenLiteral() string

type DictLiteral 

type DictLiteral struct {
	Token token.Token // the '{' token
	Pairs map[Expression]Expression
}

func (*DictLiteral) String 

func (ml *DictLiteral) String() string

func (*DictLiteral) TokenLiteral 

func (ml *DictLiteral) TokenLiteral() string

type Expression 

type Expression interface {
	Node
	// contains filtered or unexported methods
}

Abstract expression node

type ExpressionStatement 

type ExpressionStatement struct {
	Token      token.Token // the first token of the expression
	Expression Expression
}

Statement node for an expression, e.g. x + 5;

func (*ExpressionStatement) String 

func (es *ExpressionStatement) String() string

func (*ExpressionStatement) TokenLiteral 

func (es *ExpressionStatement) TokenLiteral() string

type ForExpression 

type ForExpression struct {
	Token      token.Token // the 'for' token
	Iterator   Expression
	IterValues Expression
	Statements *BlockStatement
}

func (*ForExpression) String 

func (fe *ForExpression) String() string

func (*ForExpression) TokenLiteral 

func (fe *ForExpression) TokenLiteral() string

type FunctionLiteral 

type FunctionLiteral struct {
	Token      token.Token
	Parameters []*Identifier
	Defaults   map[string]Expression
	Body       *BlockStatement
}

func (*FunctionLiteral) String 

func (fl *FunctionLiteral) String() string

func (*FunctionLiteral) TokenLiteral 

func (fl *FunctionLiteral) TokenLiteral() string

type Identifier 

type Identifier struct {
	Token token.Token // {Type: token.IDENTIFIER, Literal: ?}
	Value string
}

expression node for identifier itself

func (*Identifier) String 

func (i *Identifier) String() string

func (*Identifier) TokenLiteral 

func (i *Identifier) TokenLiteral() string

type IfExpression 

type IfExpression struct {
	Token       token.Token
	Condition   Expression
	Consequence *BlockStatement
	Alternative *BlockStatement
}

func (*IfExpression) String 

func (ie *IfExpression) String() string

func (*IfExpression) TokenLiteral 

func (ie *IfExpression) TokenLiteral() string

type IndexExpression 

type IndexExpression struct {
	Token token.Token // The [ token
	Left  Expression
	Index Expression
}

func (*IndexExpression) String 

func (ie *IndexExpression) String() string

func (*IndexExpression) TokenLiteral 

func (ie *IndexExpression) TokenLiteral() string

type InfixExpression 

type InfixExpression struct {
	Token    token.Token // The operator token, e.g. +
	Left     Expression
	Operator string
	Right    Expression
}

func (*InfixExpression) String 

func (ie *InfixExpression) String() string

func (*InfixExpression) TokenLiteral 

func (ie *InfixExpression) TokenLiteral() string

type LetStatement 

type LetStatement struct {
	Token token.Token // {Type: token.LET, Literal: "LET"}
	Name  *Identifier
	Value Expression
}

statement node for `let <identifier> = <expression>`

func (*LetStatement) String 

func (ls *LetStatement) String() string

func (*LetStatement) TokenLiteral 

func (ls *LetStatement) TokenLiteral() string

type Node 

type Node interface {
	TokenLiteral() string
	String() string
}

type Null 

type Null struct {
	Token token.Token
	Value bool
}

func (*Null) String 

func (n *Null) String() string

func (*Null) TokenLiteral 

func (n *Null) TokenLiteral() string

type NumberLiteral 

type NumberLiteral struct {
	Token token.Token
	Value float64
}

func (*NumberLiteral) String 

func (nl *NumberLiteral) String() string

func (*NumberLiteral) TokenLiteral 

func (nl *NumberLiteral) TokenLiteral() string

type PrefixExpression 

type PrefixExpression struct {
	Token    token.Token // The prefix token, e.g. !
	Operator string
	Right    Expression
}

func (*PrefixExpression) String 

func (pe *PrefixExpression) String() string

func (*PrefixExpression) TokenLiteral 

func (pe *PrefixExpression) TokenLiteral() string

type Program 

type Program struct {
	Statements []Statement
}

slice of statement nodes

func (*Program) String 

func (p *Program) String() string

func (*Program) TokenLiteral 

func (p *Program) TokenLiteral() string

type RangeExpression 

type RangeExpression struct {
	Token token.Token // The token.COLON token
	Start Expression
	End   Expression
}

func (*RangeExpression) String 

func (re *RangeExpression) String() string

func (*RangeExpression) TokenLiteral 

func (re *RangeExpression) TokenLiteral() string

type ReturnStatement 

type ReturnStatement struct {
	Token token.Token
	Value Expression
}

statement node for `return <expression>`

func (*ReturnStatement) String 

func (rs *ReturnStatement) String() string

func (*ReturnStatement) TokenLiteral 

func (rs *ReturnStatement) TokenLiteral() string

type Statement 

type Statement interface {
	Node
	// contains filtered or unexported methods
}

Abstract statement node

type StringLiteral 

type StringLiteral struct {
	Token token.Token
	Value string
}

func (*StringLiteral) String 

func (sl *StringLiteral) String() string

func (*StringLiteral) TokenLiteral 

func (sl *StringLiteral) TokenLiteral() string

type VectorLiteral 

type VectorLiteral struct {
	Token    token.Token // the '[' token
	Elements []Expression
}

func (*VectorLiteral) String 

func (al *VectorLiteral) String() string

func (*VectorLiteral) TokenLiteral 

func (al *VectorLiteral) TokenLiteral() string

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